<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar">
        <img src="./../assets/980668652ff1eb2c7dcb104d350877f5.jpg" alt="">
      </div>
      <!-- 表单 -->
      <el-form class="login_form" :model="loginform" :rules="loginformRule" ref="loginformRef">
        <el-form-item prop="username">
            <el-input prefix-icon="el-icon-user" v-model="loginform.username" ></el-input>
        </el-form-item>
        
        <el-form-item prop="password">
            <el-input type="password" prefix-icon="el-icon-s-goods" v-model="loginform.password"></el-input>
        </el-form-item>

        <el-form-item class="btns">
            <el-button type="primary"@click="login">登录</el-button>
            <el-button type="info" @click="restloginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  name:'login',
  data(){
    return{
      loginform:{
      username:'admin',
      password:'123456'
    },
    loginformRule:{
      username:[
        { required: true, message: '请输入用户名', trigger: 'blur' },
        { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
      password:[
        {required: true, message: '请输入密码', trigger: 'blur'},
        { min: 6, max: 20, message: '长度在 6 到 20 个字符', trigger: 'blur' }
      ]
    }
    }
  },
  methods:{
    restloginForm(){
      this.$refs.loginformRef.resetFields();
    },
    login(){
      this.$refs.loginformRef.validate(async valid=>{
        if(valid){
          // 发起登录请求
          const {data:res}=await this.$http.post('login',this.loginform)
          if(res.meta.status==200){
            this.$message.success('登录成功')
            window.sessionStorage.setItem('token',res.data.token)
            this.$router.push('/home')
          }else{
            this.$message.error('登录失败,用户名或密码错误！')
            return;
          }
        }else{
          return;
        }
      })
    }
  }
}
</script>
<style lang='less' scoped>
  .login_container{
    background-color: #2b4b6b;
    height: 100%;
  }
  .login_box{
    width: 500px;
    height: 300px;
    background-color: #fff;
    border-radius: 5px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    .avatar {
      width: 120px;
      height: 120px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      background-color: #2b4b6b;
      position:absolute;
      left: 50%;
      transform: translate(-50%,-50%);
      img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
  }}
  .btns{
    display: flex;
    justify-content: flex-end;
  }
  .login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
  }
  
</style>
